Chem 16-17 Test Vocab

Question 0

Surfactant

Answer 0

Any substance that interferes with the hydrogen bonding between water molecules and thereby reduces surface tension.

Question 1

Surface tension

Answer 1

Inward force or pull that tends to minimize the surface area of a liquid

Question 2

Solvation

Answer 2

The process by which the positive and negative ions of an ionic solid become surrounded by solvent molecules

Question 3

Electrolyte

Answer 3

A compound that conducts an electric current when in an aq solution or molten state

Question 4

Nonelectrolyte

Answer 4

A compound that doesn’t conduct ⚡️ when in an aq solution or molten state

Question 5

In a solution that contains a strong electrolyte, ___________.

Answer 5

All or nearly all of the solute exists as ions

Question 6

In a substance that contains a weak electrolyte, ________.

Answer 6

Only a fractions of the solute exists as ions

Question 7

Water of hydration/water of crystallization

Answer 7

The water contained in a crystal

Question 8

Hydrate

Answer 8

A compound that contains water of hydration

Question 9

Anhydrous

Answer 9

Doesn’t contain water

Question 10

Effloresce

Answer 10

Losing water of hydration

Question 11

Hygroscopic

Answer 11

Compounds that remove moisture from the air

Question 12

Desiccant

Answer 12

A substance used to absorb moisture from the air and create a dry atmosphere

Question 13

Deliquescent

Answer 13

Removes sufficient water from the air to dissolve completely and form solutions

Question 14

Suspension

Answer 14

A mixture from which particles settle out upon standing

Question 15

Colloid

Answer 15

A heterogenous mixture containing particles that range in size from 1 nm to 1000 nm